ch07

Chapter Overview

  • Focuses on the role of telecommunications, the Internet, and wireless technology in management information systems.

Learning Objectives

  • Identify principal components of telecommunications networks.

  • Understand types of networks.

  • Grasp how the Internet supports communication and e-business.

  • Recognize technologies and standards for wireless networking.

Case Studies

  • Telepresence: Utilizes technology for real-time collaboration outside traditional settings.

  • Unified Communications: Example with Lotus Sametime for virtual collaboration.

Current Networking Trends

  • Convergence: Integration of telephone and computer networks into a digital format.

  • Broadband Adoption: Over 74% of U.S. Internet users have broadband access, indicating a trend towards higher bandwidth.

Network Components

  • Computer Network: Consists of connected computers, including:

    • Client and server structures.

    • Network Interface Cards (NICs).

    • Hubs, switches, routers.

    • Network operating systems (NOS).

  • Software-defined Networking (SDN): Centralized management of network devices.

Types of Networks

  • Local Area Networks (LANs): Connects devices in a small geographical area.

  • Wide Area Networks (WANs): Covers broader geographic regions.

  • Metropolitan Area Networks (MANs) and Campus Area Networks (CANs) also exist.

Digital Networking Technologies

  • Client/Server Computing: Distributed model where clients are linked through a server for communication.

  • Packet Switching: Efficient method for sending data packets through various pathways.

  • Protocols: Use of TCP/IP as the standard for data transmission on the Internet.

Internet Infrastructure

  • IP Addressing: Each device on the Internet has a unique IP address, with DNS converting these to domain names.

  • Network Governance: Involves organizations like IAB, ICANN, and W3C to establish Internet standards.

Emerging Technologies and Future Internet

  • IPv6: New addressing scheme to handle more devices.

  • Web 2.0 and 3.0: Focuses on user-generated content and semantic web initiatives.

  • Wireless Technologies: Includes Wi-Fi and Bluetooth for various devices.

  • RFID and WSNs: Technologies that enhance tracking and monitoring capabilities, contributing to the Internet of Things.

  • Telecommunications and Internet Management: Focus on the integration of telecommunications, Internet, and wireless tech in management information systems.

  • Learning Objectives:

    • Identify components of telecommunications networks.

    • Understand various types of networks.

    • Explore how the Internet enhances communication and e-business.

    • Recognize wireless networking technologies and standards.

  • Telepresence: Technology enabling real-time collaboration beyond traditional environments.

  • Unified Communications: Example using Lotus Sametime for virtual collaboration.

  • Networking Trends:

    • Convergence: Merging telephone and computer networks.

    • Broadband Adoption: Over 74% of U.S. Internet users have broadband access.

  • Components of Computer Networks:

    • Client-server structures, NICs, hubs, switches, routers, NOS.

  • Software-defined Networking (SDN): Centralized management of network devices.

  • Types of Networks:

    • Local Area Networks (LANs), Wide Area Networks (WANs), Metropolitan Area Networks (MANs), and Campus Area Networks (CANs).

  • Digital Networking Technologies:

    • Remote client/server computing, packet switching, and the TCP/IP protocol.

  • Internet Infrastructure:

    • Unique IP addressing; DNS for converting to domain names.

    • Network governance by organizations like IAB, ICANN, W3C.

  • Emerging Technologies:

    • IPv6 addressing, Web 2.0 and 3.0 (user-generated content and semantic web), Wi-Fi, Bluetooth, RFID, and WSNs.

Understanding Telecommunications and Networking

Telecommunications and networking are essential components of management information systems, playing a vital role in enhancing communication and enabling e-business. Here are the key concepts summarized:

  • Components of Telecommunications Networks: These include hardware like routers, switches, network interface cards, and software for network management.

  • Types of Networks:

    • Local Area Networks (LANs): Connect devices within a small area (like an office).

    • Wide Area Networks (WANs): Span larger geographic areas, such as cities or countries.

  • Internet Infrastructure: Each device online has a unique IP address, with the Domain Name System (DNS) translating these into user-friendly domain names.

  • Digital Networking Technologies:

    • Client/Server Computing: Involves clients communicating with a central server.

    • Packet Switching: Efficient data transmission through different paths in the network.

  • Emerging Technologies:

    • IPv6: A new addressing scheme for enabling more devices to connect.

    • Wireless Technologies: Such as Wi-Fi and Bluetooth, which facilitate greater mobility in connectivity.